Patents by Inventor Ronald F. Kruger

Ronald F. Kruger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D325766
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: April 28, 1992
    Inventor: Ronald F. Kruger